Angwin to Angwish

JP's Backyard Ultra/Hike is a grassroots ultramarathon and hike held at Skyline Wilderness Park in Napa, California. In its third year, the event features a 3.3-mile loop with 550+ feet of climbing through rocky and shaded trails. Runners and hikers may do 1 to 10 loops, starting together on the hou..

The Napa Lapa Trail Adventure is a time-based trail run held on October 11, 2025, at Skyline Wilderness Park, 2201 Imola Ave, Napa, CA 94559. Entrants run for a pre-determined amount of time and complete as many loops as possible. Event options are: 12 Hour 6 Hour 3 Hour Each loop is approximatel..

The California Fall Classic at Lake Sonoma offers two ultramarathon distances: 100K and 55K, run at Lake Sonoma near Healdsburg, California. The weekend features on-site camping, live music, and local food, wine, and beer, with proceeds supporting the Children of Vineyard Workers Scholarship Fund. R..

2025 Napa Fall Wine Country Marathon, Half Marathon & 10K takes place in Bothe-Napa Valley State Park along Saint Helena Highway in Saint Helena, CA. The course uses lush single-track trails with hills, streams and rocky sections, delivering a rugged and rewarding challenge, set just minutes from Na..

2026 Napa Valley Trail Marathon, Half Marathon & 10K takes place at Bothe-Napa Valley State Park in Saint Helena, California. The event offers three trail distances: marathon, half marathon, and 10K. Runners tackle lush single-track with hills, streams, and rocky sections; the course is marked with..

Taking place in Healdsburg, California, the TERREX Lake Sonoma weekend features three distances on April 11, 2026: the Lake Sonoma 50 Mile, the Lake Sonoma Marathon, and the Trail Sisters Half Marathon. The event blends competitive racing with a festival atmosphere, including an Elite division in th..